feat: expand companion platform, device controls, and memoir workflows

Add customer and operator login, BLE provisioning, device fleet controls, call memory, memoir generation, and refreshed family and maintenance portals. Include API contracts, migrations, firmware sources, tests, assets, and deployment documentation.

internal/onboarding/local_proxy_test.go

@@ -0,0 +1,31 @@
+package onboarding
+
+import (
+	"net/http/httptest"
+	"testing"
+)
+
+func TestBrowserTransportThroughConfiguredLocalProxy(t *testing.T) {
+	for _, tc := range []struct {
+		name, remote, proto string
+		local, want         bool
+	}{
+		{"local trusted HTTP", "172.18.0.4:4000", "http", true, true},
+		{"production rejects HTTP", "172.18.0.4:4000", "http", false, false},
+		{"trusted HTTPS", "172.18.0.4:4000", "https", false, true},
+		{"untrusted HTTP", "172.19.0.4:4000", "http", true, false},
+		{"untrusted HTTPS header", "172.19.0.4:4000", "https", true, false},
+		{"missing proxy header", "172.18.0.4:4000", "", true, false},
+		{"local loopback", "127.0.0.1:4000", "", true, true},
+	} {
+		t.Run(tc.name, func(t *testing.T) {
+			s := &Service{options: Options{AllowLocalHTTP: tc.local, TrustedProxyCIDRs: []string{"172.18.0.0/16"}}}
+			r := httptest.NewRequest("GET", "http://localhost:3100/api/v1/web/login/session", nil)
+			r.RemoteAddr = tc.remote
+			r.Header.Set("X-Forwarded-Proto", tc.proto)
+			if got := s.secure(r); got != tc.want {
+				t.Fatalf("secure=%v, want %v", got, tc.want)
+			}
+		})
+	}
+}